Datasheet
3
Contents
Introduction....................................................................................................................... 11
Terminology......................................................................................................... 12
Electrical Specifications................................................................................................... 17
Power and Ground Pins ...................................................................................... 17
Decoupling Guidelines ........................................................................................ 17
VCC Decoupling ..................................................................................... 17
VTT Decoupling...................................................................................... 17
Front Side Bus AGTL+ Decoupling ........................................................ 18
Front Side Bus Clock (BCLK[1:0]) and Processor Clocking................................ 18
Voltage Identification (VID).................................................................................. 20
Reserved Or Unused Pins................................................................................... 22
Front Side Bus Signal Groups............................................................................. 22
GTL+ Asynchronous and AGTL+ Asynchronous Signals ................................... 24
Test Access Port (TAP) Connection.................................................................... 24
Mixing Processors ............................................................................................... 25
Absolute Maximum and Minimum Ratings .......................................................... 25
Processor DC Specifications............................................................................... 26
Mechanical Specifications ................................................................................................ 35
Signal Definitions.............................................................................................................. 45
Pin Listing......................................................................................................................... 55
64-bit Intel Xeon Processor with 2 MB L2 Cache Pin Assignments .............. 55 Thermal Specifications .................................................................................................... 71
Package Thermal Specifications ......................................................................... 71
Thermal Specifications ........................................................................... 71